国家/地区 中国（61） 美国（12） 韩国（9） 世界知识产权组织（7） 欧洲专利局（EPO）（5） 加拿大（4） 日本（3） 香港（2） 印度（2）
IPC部 B（74） A（21） C（16）
F（13） D（9） E（3）
H（2）
IPC大类 B01（74） A61（12） F24（9）
A41（8） B32（8） C01（7）
A62（6） D04（6） D01（5）
C02（4） C08（4） A01（3）
B03（2） B60（2） C09（2）
IPC小类 B01D（74）
IPC B01D046/00（74）
发明人 ZHANG Y（6） NIU G（4） WANG Q（4）
YANG Y（4） LIU S（3） MA L（3）
PAN D（3） WU J（3） YANG J（3）
YU H（3） ZHOU W（3） CHEN G（2）
DU L（2） HE C（2） JANG B Z（2）
公开年 2021（74）
申请年 2020（38）  2021（32）  2019（4） 
专利权人 SUZHOU LVSHI.（4） GUANGZHOU KA.（3） ANHUI TIANPE.（2） CHONGQING FI.（2）
GUANGDONG HE.（2） NANOTEK INST.（2） SHENZHEN HUA.（2） SHENZHEN QIA.（2）
TONGXI GROUP.（2） UNIV QIQIHAR.（2）

Preparing modified polylactic acid non-woven fabric involves mixing modified nanocellulose and lactic acid in water to obtain mixed dispersion, where modified nanocellulose has sulfonic acid group and hydroxyl group.

YANG C, XU J, HAO S, HE Y, TIAN J

Antistatic filter material useful in tangential flow compressed air filter device, comprises antistatic polymer, polytetrafluoroethylene resin, and graphene.

FAN Y, LI J

Tail gas processing device for processing graphene, has box body whose upper end is fixedly connected with air outlet of inner cavity, and front end of box body is provided with square groove.

LIU L

Photocatalytic filter screen for volatile organic compounds treatment, is prepared by spraying a photocatalytic suspension comprising predefined amounts of water, photocatalyst, dispersing agent, wetting agent, curing agent and aqueous industrial paint, on a metal filter screen.

WU X, WANG X, YU H, CHEN G

Deodorant device for intelligent toilet care instrument comprises e.g. dirt barrel, filtering and deodorizing assembly, and circulating deodorizing assembly, outer edge, mounting cover installed above the dirt bucket, middle of fixing plate is connected with outer edge by fixing bolts.

YIN X

Gas anti-reflux device for graphene carbon fiber production, has bracket whose top portion is provided with water storage tank, and filter box whose inner portion is formed with filter blocks, where side of filter box is made with exhaust pipe.

WU Y, HE C, ZHANG Y

Graphene composite antibacterial purification material used for particulate matter, comprises graphene, lignin, coconut shell activated carbon, nano-titanium dioxide, methyl cellulose, talc powder and deionized water.

WU J, LI T, CHEN L, QUE M, SUN Y, SUN J

Graphene filter core for use in e.g. household air filter, has filter core main body whose ends are provided with inserting sheet, where inner part of top ring and bottom ring is provided with inner cavity and edge of cavity and top ring.

ZHOU W, NIU G

Preparing virus-killing bone material, H11-level spraying cloth and graphene nonwoven fabric material comprises e.g. preparing anti-influenza virus H1N1 nonwoven fabric bone material, performing electrostatic spinning, preparing graphene nonwoven fabric and fixing ultrasonic wave hot melt adhesive.

LIU S, MA L, WANG Q

Preparing bonding material of virus-killing bone material, H12 grade melt blown cloth and graphene non-woven cloth comprises preparing graphene polypropylene spun bond non-woven fabric by in-situ polymerization, sequentially stacking anti-influenza virus H1N1 non-woven fabric, and fixing.

LIU S, MA L, WANG Q